Binding, French, mid 18th-Century -- Calligraphic musical manuscript on paper, [Paris, circa 1760], 8vo, manuscript text and music for 21 duos, partly with continuo, written in brown ink on ruled paper, 97 leaves (last 10 blank), with a manuscript note on front free endpaper 'Nappier musicien copiste de musique ruè dauphine ... ', contemporary Parisian red morocco, sides with triple gilt fillets, flat gilt spine in compartments with floral decoration, gilt inner dentelles, the name of 'Mde. de Montieu', for whom the collection was bound, tooled in gilt on upper cover, morocco bookplate of Ambroise Firmin-Didot.